52858581000 has 64 divisors (see below), whose sum is σ = 164918782080. Its totient is φ = 14095620800.

The previous prime is 52858580993. The next prime is 52858581007. The reversal of 52858581000 is 18585825.

It is an interprime number because it is at equal distance from previous prime (52858580993) and next prime (52858581007).

It is a super-2 number, since 2×52858581000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52858581007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8806764 + ... + 8812763.

It is an arithmetic number, because the mean of its divisors is an integer number (2576855970).

Almost surely, 2^52858581000 is an apocalyptic number.

52858581000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52858581000 is an abundant number, since it is smaller than the sum of its proper divisors (112060201080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52858581000 is a wasteful number, since it uses less digits than its factorization.

52858581000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17619551 (or 17619537 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 42.

The spelling of 52858581000 in words is "fifty-two billion, eight hundred fifty-eight million, five hundred eighty-one thousand".